Intel X299 E-ATX motherboard LGA 2066 for Intel Core X-series processors, with 16 power stages, onboard Wi-Fi 6 (802.11ax), 10 Gbps Ethernet, USB 3.2 Gen 2x2, dual USB 3.2 Gen 2 front panel connectors, SATA, quad M.2 and Aura Sync RGB lighting

  • Ready for the latest Intel® Core™ X-series processors to maximize connectivity and speed with up to four M.2 drives, USB 3.2 Gen 2x2, Intel® VROC and Intel® Optane™ memory compatibility
  • Robust power delivery: Optimized power solution with 16 Infineon TDA21472 power stages, ProCool II power connectors, MicroFine Alloy chokes and 10K capacitors
  • AI Overclocking: Quickly optimizes your CPU performance based on the CPU and cooler, achieving results that are extremely close to manual tuning by experts
  • Comprehensive thermal design: Active cooling VRM heatsink, PCIe-zone M.2 aluminum heatsink, backplate, fan extension card II and water-cooling zone
  • High-performance networking: Onboard Aquantia® 10 Gbps Ethernet, Wi-Fi 6 (802.11ax) with MU-MIMO support, and GameFirst V technology
  • Unmatched personalization: Color OLED and ASUS-exclusive Aura Sync RGB lighting, including two additional RGB headers and two Gen 2 RGB addressable headers
  • Industry-leading ROG audio: SupremeFX S1220 and ESS® SABRE9018Q2C for enthusiast-grade audio performance driven by Japanese capacitors
  • DIY-friendly design: Pre-mounted I/O shield, ASUS SafeSlot, BIOS FlashBack™ and FlexKey



Product Description

Asus ROG RAMPAGE VI EXTREME ENCORE, Intel X299, 2066, EATX, 8 DDR4, SLI/XFire, Wi-Fi, 10GB LAN, RGB Lighting, M.2

Motherboard Type


Form Factor

Extended ATX


Intel 2066


Intel X299

CPU Support

Click here for CPU support

RAM Technology

DDR4 (Quad Channel)

RAM Slots

8 x DIMM

RAM Speeds

Core i9 10000 X-Series CPUs:
4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3800(O.C.)/3600(O.C.)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2933/2800/2666/2400/2133 MHz

Core i9 9000/7000 and i7 9000 X-Series CPU:
4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3800(O.C.)/3600(O.C.)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400 MHz

Maximum Memory




Graphics Ports


Multi-GPU Support

Supports NVIDIA 3-Way SLI Technology
Supports NVIDIA 2-Way SLI Technology
Supports AMD 3-Way CrossFireX Technology
Supports AMD 2-Way CrossFireX Technology

PCI/PCI Express

48-Lane CPU:
3 x PCIe 3.0 x16 (x16/x16/x4, x16/x16/x8 or x16/x8/x8 modes)

44-Lane CPU:
3 x PCIe 3.0 x16 (x16/x16/x4 or x16/x8/x4 modes)

28-Lane CPU:
3 x PCIe 3.0 x16 (x16/x8/x4 mode)

Intel X299 Chipset:
1 x PCIe 3.0 x4


1 x M.2 (2242/2260/2280) - SATA & PCIe
1 x M.2 (2242/2260/2280) - PCIe

ROG DIMM.2 Accessory Module supports:
2 x M.2 (2242/2260/2280/22110) - PCIe


RAID 0, 1, 5, 10


Aquantia AQC-107 10G
Intel I219V
Anti-surge LANGuard
ROG GameFirst Technology




ROG SupremeFX 8-Channel High Definition Audio CODEC S1220

USB Ports Supported

1 x USB 3.2 Gen 2x2 Type-C
2 x USB 3.1 Gen 2 (Type-A & C at back)
12 x USB 3.1 Gen 1 (8 at back, 4 at mid-board)
3 x USB 2.0 (1 at back, 2 at mid-board)
2 x USB 3.2 Gen 2 front panel connector

Back Panel I/O Ports

1 x USB 3.2 Gen 2x2 Type-C
1 x USB 2.0
1 x Optical S/PDIF out
1 x Clear CMOS button
1 x USB BIOS Flashback Button
1 x ASUS Wi-Fi Module
5 x LED-illuminated audio jacks
8 x USB 3.2 Gen 1
2 x USB 3.2 Gen 2
1 x Aquantia AQC-107 10G LAN
Anti-surge LAN (RJ45)

Internal I/O Connectors

1 x W_PUMP+ 1
1 x W_PUMP+ 2
2 x Aura Addressable Strip
2 x Aura RGB Strip
2 x USB 3.2 Gen 1
1 x USB 2.0
2 x M.2
8 x SATA 6Gb/s
1 x VROC_HW_Key
1 x CPU Fan
1 x CPU OPT Fan


3 x Chassis Fan
1 x H_AMP fan
1 x HS_FAN
1 x 24-pin EATX
2 x 8-pin EATX 12V
1 x 6-pin EZ_PLUG
1 x 4-pin EZ_PLUG
1 x Front audio
1 x Slow Mode switch
10 x ProbeIt Measurement Points


1 x Node
1 x LN2 Mode jumper
1 x System panel
2 x T_Sensor
2 x USB 3.2 Gen 2 front panel
1 x Speaker
1 x DIMM.2 Slot supports 2 M.2 drives
1 x PAUSE Switch
1 x RSVD Switch
1 x FS Mode switch
Buttons: ReTry, Safe Boot, BIOS Switch, Start, FlexKey


1 x ROG logo plate sticker
6 x SATA cables
3 x M.2 Screw Package
1 x ASUS 2T2R dual band Wi-Fi antennas
1 x Fan Extension Card II
1 x Fan Ext Card II power cable
1 x Fan Ext Card II NODE connector cable
1 x Fan Ext Card II screw package
1 x Q-Connector
1 x ROG Logo Sticker
1 x Ext Cable for RGB strips (80 cm)
1 x Ext cable for Addressable LED


3 x Thermistor cables
1 x USB drive with utilities and drivers
1 x ROG coaster
1 x USB 3.2 Gen1 Header to USB 2.0 adapter cable
1 x ROG weave SATA 6G cable
1 x ROG DIMM.2 with heatsink
1 x M.2 Pad for ROG DIMM.2
1 x 2-in-1 Rubber pad
1 x ROG Multi-Bit screwdriver

Additional Features

See Overview

Package Type


Package Weight

1.9500 kg


3 Years